Aamir Ali lives a middle-classed lifestyle in Mumbai along with his dad, Rashid; mom, Taranum; three sisters: Nargis, Shabana, and Falak; and a brother, Jameel. After his dad passes away, Aamir re-locates to Britain, studies, obtains a medical degree, and returns home. Upon arrival at Mumbai Airport, he is hassled by the Customs Officer and his baggage is searched several times. Finally, he is permitted to leave. Outside the airport he is approached by two men on a motorbike, and one of them hands him a cellphone. Aamir accepts the cellphone and thus begins his nightmare that will propel him all the way to Dongri, then to Bhendi Bazar, where he will be given a red suitcase containing cash. He will be told that he must deliver this suitcase at another location within a specified time or else his family will all be killed. Aamir agrees to do so but before he could even arrive at the location...

Arriving in Mumbai with just a backpack and a guitar, Raunaq Kaul hooks up with Surinder Bhan, who introduces him to Charlie, the owner of 'Charlie Tango' nightclub. This is where Raunaq makes his start and achieves phenomenal success as a composer virtually overnight. He quickly regresses to a life of illicit drugs, including Charas, Cocaine, Ganja, smoking, and alcohol. Unable to perform, he goes for a medical check-up with Dr. Manu Rishi Kaul, and is told that he has lost his hearing in the right ear, while the left one is only partly functional. In order to avoid deafness, he must avoid loud music as well as try and keep off drugs, alcohol and smoking, and wear a hearing-aid. Unable to focus on his work, he alienates himself, gets into an argument, which results in an accident - taking away his hearing altogether. Depressed, refusing to communicate with anyone, he prepares a padded sound-proof room with hopes of recovering his hearing...

After the passing of her mother, and the entry of a step-mother, Amrita Jayshankar retreats into herself. Her father is summoned to her school and is told that his daughter may require counseling, but he refuses to believe and instead makes a donation to the school. Then Amrita meets with three males and a female, namely Zuben, Dushant Sahu, Karan Chaudhary; and Tanya Sharma respectively. Together they live it up with drugs and alcohol until things get out of control when they accidentally kill a couple. A corrupt police constable demands Rs.25 Lakhs to eliminate their involvement. Unable to come up with so much cash, the five decide to fake a kidnapping, demand the cash from Amrita's father, and clear their respective names. Amrita accordingly goes 'missing', and her father involves the police, who assign this case to once-suspended police inspector, Arvind Mathur. With the media getting involved...